Finding the Fourth Proportional to 4,239,687.68, 5,850,764.80 and 2,428,858.88
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Solution
The fourth proportional to 4,239,687.68, 5,850,764.80 and 2,428,858.88 is: 3,351,822.85
Step by Step Solution
- Step 1: Write the proportion equation
4,239,687.68 : 5,850,764.80 = 2,428,858.88 : x - Step 2: Convert to fraction form
4,239,687.68/5,850,764.80 = 2,428,858.88/x - Step 3: Cross multiply
4,239,687.68x = 5,850,764.80 × 2,428,858.88 - Step 4: Simplify right side
4,239,687.68x = 14,210,682,039,271.42 - Step 5: Solve for x
x = 14,210,682,039,271.42/4,239,687.68 - Step 6: Final answer
x = 3,351,822.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.